.box1 {
  margin: 0 auto;
  background-color: rgb(204, 204, 203);
  width: 500px;
  height: 500px;
  position: relative;
}
.box1 .input2 {
  width: 400px;
  height: 200px;
}

.box1 .last {
  position: absolute;
  right: 40px;
  text-align: center;
}
.box1 .checkbox {
  width: 20px;
  height: 20px;
  vertical-align: sub;
}
.box1 .span {
  vertical-align: middle;
  display: inline-block;
}
.box1 .box2 {
  margin-top: 30px;
}
.box1 .box2 .contentbox {
  margin-top: 10px;
}
.box1 .box2 .contentbox span {
  margin-left: 10px;
}
.box1 .box2 .contentbox .content {
  margin-left: 110px;
  margin-top: 10px;
}
